| /*************************************************************************** |
| * _ _ ____ _ |
| * Project ___| | | | _ \| | |
| * / __| | | | |_) | | |
| * | (__| |_| | _ <| |___ |
| * \___|\___/|_| \_\_____| |
| * |
| * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al. |
| * |
| * This software is licensed as described in the file COPYING, which |
| * you should have received as part of this distribution. The terms |
| * are also available at https://curl.haxx.se/docs/copyright.html. |
| * |
| * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
| * copies of the Software, and permit persons to whom the Software is |
| * furnished to do so, under the terms of the COPYING file. |
| * |
| * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ***************************************************************************/ |
| /* <DESC> |
| * Show how to extract Location: header and URL to redirect to. |
| * </DESC> |
| */ |
| #include <stdio.h> |
| #include <curl/curl.h> |
| |
| int main(void) |
| { |
| CURL *curl; |
| CURLcode res; |
| char *location; |
| long response_code; |
| |
| curl = curl_easy_init(); |
| if(curl) { |
| curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); |
| |
| /* example.com is redirected, figure out the redirection! */ |
| |
| /* Perform the request, res will get the return code */ |
| res = curl_easy_perform(curl); |
| /* Check for errors */ |
| if(res != CURLE_OK) |
| fprintf(stderr, "curl_easy_perform() failed: %s\n", |
| curl_easy_strerror(res)); |
| else { |
| res = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response_code); |
| if((res == CURLE_OK) && |
| ((response_code / 100) != 3)) { |
| /* a redirect implies a 3xx response code */ |
| fprintf(stderr, "Not a redirect.\n"); |
| } |
| else { |
| res = curl_easy_getinfo(curl, CURLINFO_REDIRECT_URL, &location); |
| |
| if((res == CURLE_OK) && location) { |
| /* This is the new absolute URL that you could redirect to, even if |
| * the Location: response header may have been a relative URL. */ |
| printf("Redirected to: %s\n", location); |
| } |
| } |
| } |
| |
| /* always cleanup */ |
| curl_easy_cleanup(curl); |
| } |
| return 0; |
| } |